High speed divider circuit

Details High speed divider circuit High speed divider circuit

2008-03-03

2009-08-11

Donovan, Lincoln (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Frequency or repetition rate conversion or control

C327S113000, C327S114000, C327S115000, C327S118000

Reexamination Certificate

active

07573305

ABSTRACT:
A high speed divider circuit is disclosed. The circuit contains a plurality of latches and buffers. The maximum input clock frequency of the divider circuit is increased over that implemented with only latches connected in a ring by feed forwarding the output of an early switching latch to the output of a later switching latch through buffers. The feed forward signal aids the later switching latch to complete the next state transition. By choosing the appropriate ratio of the buffer tail current to the latch tail current, the divider circuit can be made into a dynamic divider circuit.

REFERENCES:
patent: 5324997 (1994-06-01), Cosand
patent: 2001/0022537 (2001-09-01), Melava et al.

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